Tool holder



FIG. 1 is a perspective view of a tool holder in environmental conditions;

FIG. 2 shows a front view thereof;

FIG. 3 shows a top plan view thereof; and,

FIG. 4 shows a bottom plan view thereof.

The broken lines of the figures showing additional portions of the tool holder are included for the purpose of illustrating environmental structure and form no part of the claimed design. 

CLAIM The ornamental design for a tool holder, as shown and described. 